| 12-钒钨酸基咪唑杂化化合物的水热合成、结构和降解罗丹明B的光催化性能研究 |
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| 引用本文： | 黄华,陈小华,刘娇华,林深. 12-钒钨酸基咪唑杂化化合物的水热合成、结构和降解罗丹明B的光催化性能研究[J]. 分子科学学报, 2010, 26(6) |
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| 作者姓名： | 黄华 陈小华 刘娇华 林深 |
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| 作者单位： | 福建师范大学化学与材料学院,福建福州,350007 |
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| 基金项目： | 国家自然科学基金资助项目(20771024); 福建省自然科学基金资助项目(2008J0142); 福建省科技厅重点项目(200810013) |
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| 摘 要： | 采用水热合成方法制备出了1个12-钒钨酸基咪唑杂化化合物(C3H5N2)4[VW12O40]·1.25H2O,并用IR、UV和X射线单晶衍射技术对其结构进行了表征.结构解析结果表明,该晶体属于三斜晶系,空间群为P1-,它是由[VW12O40]4-簇阴离子,质子化的咪唑和结晶水组成.将标题化合物制成碳糊电极,利用循环伏安法研究了其电化学行为及其对NO2-还原的电催化性能;以罗丹明B为模拟物,探究了该化合物的光催化活性.结果表明,用标题化合物修饰的碳糊电极对NO2-的还原具有良好的电催化效果;标题化合物作为光催化剂在降解罗丹明B反应中具有良好的可见光催化活性.
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| 关 键 词： | 多金属氧酸盐 水热合成 催化活性 |
Crystal structure and catalytic activity of a hybrid compound based on 12-tungstovanadates and imidazoles |
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| HUANG Hua,CHEN Xiao-hua,LIU Jiao-hua,LIN Shen. Crystal structure and catalytic activity of a hybrid compound based on 12-tungstovanadates and imidazoles[J]. Journal of Molecular Science, 2010, 26(6) |
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| Authors: | HUANG Hua CHEN Xiao-hua LIU Jiao-hua LIN Shen |
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| Affiliation: | HUANG Hua,CHEN Xiao-hua,LIU Jiao-hua,LIN Shen*(College of Chemistry and Material Science,Fujian Normal University,Fuzhou 350007,China) |
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| Abstract: | A hybrid compound based on 12-tungstovanadates and imidazoles has been hydrothermally synthesized and structurally characterized by IR,UV-Vis and singlecrystal X-ray diffraction.The title compound crystallizes in triclinic,P1-space group.It consists of [VW12O40]4-cluster anion,protonated imidazole and crystal water molecules.The title compound was made into carbon paste electrode and its electrocatalytic activity for reduction of NO-2 was investigated by cyclic voltammetry.Rhodamine B was choosen as the mod... |
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| Keywords: | polyoxometalates hydrothermal synthsis catalytic activity |
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